A food from the forest, is yanang used in Thailand and Laos.
The juice from the leaves is used in many recipes for Lao bamboo dishes, especially bamboo shoot soup, Gaeng naw mai. A Moke can be made with fresh algae and rocks yanang juice. Tinned yanang juice is available at Asian food vendors.
Tinned yanang juice
To extract the juice from yanang leaves, bruising of the
blade with either a mortar and pestle or on a cutting board with a pestle or the back of a knife. Place the leaves in a bowl with 2 cups of cold water. Rub the leaves to the aromatic juice. Alternatively, place the leaves and water in a blender or food processor and mix until the liquid foams. Strain the resulting juice and discard the blade remains.